How popular is Keyley?

Keyley is an unusual given name for females. Keyley is also an unusual last name for both adults and children. (2000 U.S. Demographics)

Which version is better?

with its source form and related girl names. Keeley(#1943 via latest list) and Keely are the popular alternative forms of Keyley (not ranked). Other forms, like Kealy, are uncommon. These relations of Keyley were popular as baby names in the year 1997 (average #679) and have become much less popular since, with the form Keely becoming somewhat outmoded. (Top Baby Names, 2015)